For centuries it was thought that the brain stopped developing after a period of time, and that it was a very rigid process. In this book, Norman Doidge explores what scientists call “neuroplasticity” and how nearly everything we once believed about the brain is wrong. The brain is fluid, constantly remapping and rewiring to make its job more efficient. Dr. Doidge shares powerful stories of people who relearn to speak after a stroke, overcome debilitating vertigo, even a blind man who learns to “see.” As it turns out, you can teach an old dog new tricks.